Compression Performance with Low Key Selectivity
[read this post on Mr. Fox SQL blog] When it comes to enabling data compression in SQL Server I suspect most people don’t do a lot of testing as to the impacts of...
2016-03-15
18 reads
[read this post on Mr. Fox SQL blog] When it comes to enabling data compression in SQL Server I suspect most people don’t do a lot of testing as to the impacts of...
2016-03-15
18 reads
[read this post on Mr. Fox SQL blog]
I had a question at work recently where there was some confusion around how SQL...
2016-03-02 (first published: 2016-02-24)
2,700 reads
[read this post on Mr. Fox SQL blog] I had a question at work recently where there was some confusion around how SQL Server allocates data across data files within a filegroup...
2016-02-24
20 reads
For those not aware SQL Saturday is coming to Melbourne on Sat 20 Feb 2016.
SQL Saturday is an excellent free learning...
2016-01-18
699 reads
For those not aware SQL Saturday is coming to Melbourne on Sat 20 Feb 2016. SQL Saturday is an excellent free learning resource for all things SQL Server – all costs are...
2016-01-18
12 reads
[read this post on Mr. Fox SQL blog]
Over the years I have presented many times to various clients describing Business Intelligence (BI) solutions...
2016-01-19 (first published: 2016-01-11)
2,780 reads
[read this post on Mr. Fox SQL blog] Over the years I have presented many times to various clients describing Business Intelligence (BI) solutions using the Microsoft BI solutions stack. In all of...
2016-01-11
23 reads
[read this post on Mr. Fox SQL blog]
Continuing on with my Partitioning post series, this is part 7.
The partitioning includes several major...
2015-11-30 (first published: 2015-11-23)
1,511 reads
[read this post on Mr. Fox SQL blog] Continuing on with my Partitioning post series, this is part 7. The partitioning includes several major components of work (and can be linked...
2015-11-23
14 reads
[read this post on Mr. Fox SQL blog]
Continuing on with my Partitioning post series, this is part 6.
The partitioning includes several major...
2015-11-09
1,202 reads
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
By Arun Sirpal
“What exactly did it do on my server?” is the first question a DBA...
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Comments posted to this topic are about the item Let's Talk Certifications
Comments posted to this topic are about the item The Hidden Security Risks of...
Comments posted to this topic are about the item The Empty Aggregate
I have this table in a SQL Server 2025 database:
CREATE TABLE [dbo].[CustomerOrder] ( [OrderID] [int] NULL, [CustomerID] [int] NULL, [total] [money] NULL ) ON [PRIMARY] GOWhat is returned from this code? (answers are for the sum and then the count)
SELECT SUM(total) AS sum,
COUNT(total) AS count
FROM dbo.CustomerOrder;
See possible answers